单词拼写(根据中文提示拼写单词) (1) You can raise some (问题) after class. (2) Good studying (习惯) help me get good grades. (3) We should(应该) have (健康的) food very day. (4) (汉堡包) aren't healthy food. (5) — Kangkang, happy (生日) to you.— Thank you. 答案:【1】questions
【1】habits
【1】healthy
【1】Hamburgers
【1】birthday分子中有3个-CH3的C7H16,其可能的结构有( )A.3种B.4种C.5种D.6种